llvm-svn: 33992

the one IPO pass that uses it.

llvm-svn: 33990

Make insert/remove assert if used incorrectly instead of returning a bool.

llvm-svn: 33988

llvm-svn: 33985

where a symbol name doesn't conflict.  This speeds up bc reading 16% on 176.gcc!

llvm-svn: 33981

This patch replaces the SymbolTable class with ValueSymbolTable which does
not support types planes. This means that all symbol names in LLVM must now
be unique. The patch addresses the necessary changes to deal with this and
removes code no longer needed as a result. This completes the bulk of the
changes for this PR. Some cleanup patches will follow.

llvm-svn: 33918

llvm-svn: 31814

llvm-svn: 25206

First step in refactoring the SymbolTable is to split it into two classes,
one for a symbol table of types and one for a symbol table of Values.

llvm-svn: 25175